body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  /* 第一个板块 */
  .w{
     max-width: 1144px;
      /* height: 720px; */
      margin: 0 auto;
  }
  .one{
      display: flex;
      margin-top: 72px;
      min-height: 720px;
      align-items: center;
     
  }
  .one-one{
     margin-right: 137px;
  }
  .one-one>h2{
      /* display: block; */
      font-size: 60px;
      line-height: 1.5;
      font-weight:600;
      margin: 0;
  
  }
  .one-one>p{
      max-width: 471px;
      font-size: 18px;
      line-height: 32px;
      margin-top: 24px;
     
  }
  .one-two>img{
      width: 525px;
      height: 414px;
      
  }
  
  /* 第二个板块 */
  .second{
      background-color: #fafafa;
  }
  .two{
      display: flex;
      align-items: center;
  }
  .two-one>img{
      width: 317px;
      height: 580px;
  }
  .two-two>h4{
      font-size: 36px;
  }
  .twotittle{
      font-size: 20px;
      line-height: 34px;
      font-weight: 700;
  }
  